[INFO] cloning repository https://github.com/Vistavleal/tcp_proxy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Vistavleal/tcp_proxy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVistavleal%2Ftcp_proxy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVistavleal%2Ftcp_proxy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2691fb052d1cb9edce743873d0324c2d03ef9428
[INFO] checking Vistavleal/tcp_proxy against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVistavleal%2Ftcp_proxy" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Vistavleal/tcp_proxy on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Vistavleal/tcp_proxy
[INFO] finished tweaking git repo https://github.com/Vistavleal/tcp_proxy
[INFO] tweaked toml for git repo https://github.com/Vistavleal/tcp_proxy written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 92b5a71ff79aefcc75f8e5d47635c461a231752c9fdac256d67faf8cb51f1d08
[INFO] running `Command { std: "docker" "start" "-a" "92b5a71ff79aefcc75f8e5d47635c461a231752c9fdac256d67faf8cb51f1d08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92b5a71ff79aefcc75f8e5d47635c461a231752c9fdac256d67faf8cb51f1d08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92b5a71ff79aefcc75f8e5d47635c461a231752c9fdac256d67faf8cb51f1d08", kill_on_drop: false }`
[INFO] [stdout] 92b5a71ff79aefcc75f8e5d47635c461a231752c9fdac256d67faf8cb51f1d08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71c044dd8da4845b676857a7aa404fa0acadcec4ef83ac2907904ec71f48f43f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "71c044dd8da4845b676857a7aa404fa0acadcec4ef83ac2907904ec71f48f43f", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking tracing-subscriber v0.3.3
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking tcp_proxy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.12s
[INFO] running `Command { std: "docker" "inspect" "71c044dd8da4845b676857a7aa404fa0acadcec4ef83ac2907904ec71f48f43f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71c044dd8da4845b676857a7aa404fa0acadcec4ef83ac2907904ec71f48f43f", kill_on_drop: false }`
[INFO] [stdout] 71c044dd8da4845b676857a7aa404fa0acadcec4ef83ac2907904ec71f48f43f